package com.car.bag;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.wzsck.util.Result;

/**
 * Servlet implementation class CarClassQuerySerblet
 */
@WebServlet("/CarClassQuerySerblet")
public class CarClassQuerySerblet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public CarClassQuerySerblet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		request.setCharacterEncoding("UTF-8");
		String pageS = request.getParameter("page");//获取页面name是page的值request.getParameter("page");
		int page = 0;
		if (pageS != null && !pageS.equals("")) {
			page = Integer.parseInt(pageS);//把()里的内容转换成整数
		} 
		String limitS = request.getParameter("limit");
		int limit = 0;
		if (limitS != null && !limitS.equals("")) {
			limit = Integer.parseInt(limitS);
		} 

		CarClassManager m = new CarClassManager();//一个对象
		ArrayList<carclass> list = m.query(page, limit);
		int count = m.count();

		response.setContentType("text/json");
		response.setCharacterEncoding("UTF-8");
		Result r = new Result(count, list);
		PrintWriter out = response.getWriter();
		out.print(r.toJson());
		out.flush();
		out.close();
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
